Knock Sensor: Service and Repair

Knock Sensor Replacement (LE5 Or LAF)

Removal Procedure

1. Hoist and raise the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).




2. Disconnect the engine wiring harness electrical connector (3) from the knock sensor electrical connector (4).
3. Remove the knock sensor electrical connector (4) from the oil level indicator tube bracket.




4. Remove the knock sensor bolt.
5. Remove the knock sensor.

Installation Procedure




1. Install the knock sensor.

Caution: Refer to Fastener Caution (Fastener Caution).

2. Install the knock sensor bolt.

Tighten the bolt to 25 Nm (18 lb ft).





Note: Rotate the knock sensor electrical connector 90 degrees from vertical before securing the fastener.

3. Install the knock sensor electrical connector (4) to the oil level indicator tube bracket.
4. Connect the engine wiring harness electrical connector (3) to the knock sensor electrical connector (4).